| 棉铃虫江西种群化性的研究 |
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| 引用本文： | 薛芳森,尹益寿,赵凤霞.棉铃虫江西种群化性的研究[J].江西农业大学学报,2000,22(3):331-333. |
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| 作者姓名： | 薛芳森 尹益寿 赵凤霞 |
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| 作者单位： | [1]江西农业大学农学院,南昌 [2]永修县植保站 |
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| 基金项目： | 江西省科委重点课题经费资助项目 |
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| 摘 要： | 在养虫室自然条件下系统观察了棉铃虫的化性。越冬蛹春季羽化的早批种群一年能繁殖５代，少量不完全的６个代；尺批种群只繁殖４代。影响化性波动（第４代和第５代的发生比率）的主要因素是越冬后成虫的羽化时间和秋季越冬蛹滞育诱导的时间，越冬后成虫羽化的早晚与４月份的温度密切相关；秋季越冬蛹滞育诱导的早晚取决于９月下旬至１０月份的温度
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| 关 键 词： | 棉铃虫 种群化性 滞育解除 滞育发生 预测预报 |
| 修稿时间： | 2000-05-11 |
Voltinism of Helicoverpa armigera in Jiangxi Province |
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| Xue Fangsen,Yin Yishou,Zhao Fengxia,Chen Qianwu,Tang Jianguo.Voltinism of Helicoverpa armigera in Jiangxi Province[J].Acta Agriculturae Universitis Jiangxiensis,2000,22(3):331-333. |
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| Authors: | Xue Fangsen Yin Yishou Zhao Fengxia Chen Qianwu Tang Jianguo |
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| Institution: | Xue Fangsen 1 Yin Yishou 1 Zhao Fengxia 1 Chen Qianwu 2 Tang Jianguo 3 |
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| Abstract: | The voltinism of cotton bollworm, Helicoverpa armigera was systematically observed under natural insectary conditions. The first adult population, which emerged in late April, produced 5 generations annually; a few of them produced the 6 th generations adults, but their offspring did not survive in winter. The latest adult populations, which emerged in mid-June, produced 4 generations. The main factors, which affected the fluctuation of voltinism (the rate of the 4 th and 5 th generation) were the time of adult emergence after hibernation and the time of diapause induction of pupae in autumn. The time of adult emergence was directly related to the temperature in April. The time of diapause induction depended on the temperture in late September and October. |
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| Keywords: | Helicoverpa armigera voltinism diapause termination diapause induction temperature |
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